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Hyper-cross-linked polymers with controlled multiscale porosity via polymerization-induced microphase separation within high internal phase emulsion

Jongmin Park、KyuHan Kim、Myungeun Seo2018-01-01Chemical Communications

We report the preparation of hierarchically porous polymers containing fully interconnected and controlled micro-, meso-, and macropores, where a hyper-cross-linked microporous polymer skeleton forms a reticulating mesoporous wall that supports a highly porous macropore framework. These materials provide high specific…

Advanced Polymer Synthesis and CharacterizationProteins in Food SystemsPickering emulsions and particle stabilization

Acid green crystal-based in situ synthesis of polyaniline hollow nanotubes for the adsorption of anionic and cationic dyes

Wael A. Amer、Mohamed M. Omran、Ahmed Rehab 等 4 位作者2018-01-01RSC Advances

, respectively. A thermodynamic study revealed that the adsorption of MB by PANI-HNTs was a feasible, spontaneous, and exothermic process. Investigation of the substrate regeneration revealed that PANI-HNTs can be reused for dye adsorption several times. Therefore, the synthesized PANI-NTs are highly efficient for the…

Electrochemical sensors and biosensorsConducting polymers and applicationsElectrochemical Analysis and Applications

Capacitive Performance and Tortuosity of Activated Carbon Electrodes with Macroscopic Pores

Erik R. Reale、Kyle C. Smith2018-01-01Journal of The Electrochemical Society

The rate of ionic conduction through the electrolyte of porous electrodes is determined in part by the tortuosity, a factor describing the effective length an ion must travel through the microstructure's pores. To facilitate ionic conduction and adsorption into the electric double-layers of capacitive electrodes, we s…

Supercapacitor Materials and FabricationFuel Cells and Related MaterialsMembrane-based Ion Separation Techniques

An efficient dye-sensitized NIR emissive lanthanide nanomaterial and its application in fluorescence-guided peritumoral lymph node dissection

Qingyun Liu、Xianmei Zou、Yibing Shi 等 8 位作者2018-01-01Nanoscale

The luminescence intensity of near-infrared (NIR) emitting lanthanide nanoparticles (LnNPs) is usually limited, owing to their small absorption cross section. Although dye sensitization has been proven to be an effective way to improve the luminescence intensity of LnNPs, the sensitization effect is fairly limited, ow…

Luminescence Properties of Advanced MaterialsNanoplatforms for cancer theranosticsGa2O3 and related materials

Piezoelectricity in WSe 2 /MoS 2 heterostructure atomic layers

Sheng Yu、Quinton Rice、Bagher Tabibi 等 5 位作者2018-01-01Nanoscale

A two-dimensional heterostructure of WSe2/MoS2 atomic layers has unique piezoelectric characteristics which depend on the number of atomic layers, stacking type and interlayer interaction size. The van der Waals heterostructure of p- and n-type TMDC atomic layers with different work functions forms a type-II staggered…

Perovskite Materials and Applications2D Materials and ApplicationsMXene and MAX Phase Materials

Selecting electrode materials for monolayer ReS 2 with an Ohmic contact

Nan Gao、Si Zhou、Nanshu Liu 等 5 位作者2018-01-01Journal of Materials Chemistry C

Field effect transistors of monolayer ReS <sub>2</sub> with various electrodes and their Schottky barriers for electron and hole carriers.

2D Materials and ApplicationsMolecular Junctions and NanostructuresMXene and MAX Phase Materials

Prominent hydrogenation catalysis of a PVP-stabilized Au 34 superatom provided by doping a single Rh atom

Shingo Hasegawa、Shinjiro Takano、Seiji Yamazoe 等 4 位作者2018-01-01Chemical Communications

A single rhodium atom was precisely doped into a gold cluster Au34 stabilized by poly(N-vinyl-2-pyrrolidone) (Au:PVP) as revealed by mass spectrometry. The Rh-atom-doped Au:PVP exhibited remarkable catalytic activity for hydrogenation reactions of olefins, which was much higher than that of recently reported Pd-atom-d…

Catalytic Processes in Materials ScienceNanocluster Synthesis and ApplicationsNanomaterials for catalytic reactions

An electrolyte-gated polythiophene transistor for the detection of biogenic amines in water

Tsukuru Minamiki、Yuki Hashima、Yui Sasaki 等 4 位作者2018-01-01Chemical Communications

We herein propose a novel sensing strategy for biogenic amines using an electrolyte-gated polythiophene transistor. This ultra-low voltage operatable device responds to amines on the basis of the molecular recognition ability of a polythiophene pendant with a carboxy side-chain, which indicates that the sensing platfo…

Conducting polymers and applicationsLuminescence and Fluorescent MaterialsPolydiacetylene-based materials and applications

Chiral ionic liquids supported on natural sporopollenin microcapsules

Ivan Palazzo、Andrea Mezzetta、Lorenzo Guazzelli 等 7 位作者2018-01-01RSC Advances

C NMR). A metathesis reaction was also performed on selected bio-based IL modified sporopollenins, demonstrating the possibility to switch the surface properties by exploiting well-known IL chemistry.

Liquid Crystal Research AdvancementsSurfactants and Colloidal Systems

The Sol-Gel Method: Pathway to Ultrapure and Homogeneous Mixed Metal Oxide Nanoparticles

Malti Sharma、Mallika Pathak、P.N. Kapoor2018-01-01Asian Journal of Chemistry

This article includes an overview of current research on metal oxides and mixed (heterobi-) metal oxides prepared by sol-gel method using variety of precursors which created interest among scientists and technologists due to their structure, reactivity as well as application in almost every field of science. Sol-gel m…

TiO2 Photocatalysis and Solar CellsPhotonic Crystals and ApplicationsMesoporous Materials and Catalysis

Inorganic open framework based on lanthanide ions and polyoxometalates with high proton conductivity

Jiaxuan Wang、Yidi Wang、Mei‐Jie Wei 等 7 位作者2018-01-01Inorganic Chemistry Frontiers

The development of new proton-conducting materials that are cost effective and have high proton conductivity and water stability is very important in fuel cell technology.

Metal-Organic Frameworks: Synthesis and ApplicationsPolyoxometalates: Synthesis and ApplicationsCovalent Organic Framework Applications

Modelling the atomic arrangement of amorphous 2D silica: a network analysis

Projesh Kumar Roy、Markus Heyde、Andreas Heuer2018-01-01Physical Chemistry Chemical Physics

The recent experimental discovery of a semi two-dimensional silica glass has offered a realistic description of the random network theory of a silica glass structure, initially discussed by Zachariasen. To study the structure formation of silica in two dimensions, we introduce a two-body force field, based on a soft c…

Material Dynamics and PropertiesGlass properties and applicationsTheoretical and Computational Physics

The preparation of oleylamine modified micro-size sphere silver particles and its application in crystalline silicon solar cells

Feng Lan、Jintao Bai、Hui Wang2018-01-01RSC Advances

In this paper, micro-sized silver particles were prepared using a simple chemical approach without adjusting the pH of the solution, and oleylamine as a capping agent was described to promote the dispersion of the silver particles. The effects of temperature, feeding time and stirring speed on the morphology and size…

TiO2 Photocatalysis and Solar CellsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films

Fabrication of Cerium Oxide Nanoparticles by Solution Combustion Synthesis and Their Cytotoxicity Evaluation

M. Zarezadeh Mehrizi、Shokouh Ahmadi、Reza Beygi 等 4 位作者2018-01-01Russian Journal of Non-Ferrous Metals

The diverse abilities such as the antioxidant effect of cerium oxide nanoparticles (CeO 2 -NPs) have encouraged researchers to pursue CeO 2 -NPs as a therapeutic agent to treat a number of diseases, including cancer and diabetes. The synthesis method of CeO 2 -NPs affected on its abilities. In this study, nanosize cer…

Nanoparticles: synthesis and applicationsNanocluster Synthesis and ApplicationsAdvanced Nanomaterials in Catalysis

Novel SA@Ca 2+ /RCSPs core–shell structure nanofibers by electrospinning for wound dressings

Rui Li、Zhiqiang Cheng、Ruicheng Wen 等 10 位作者2018-01-01RSC Advances

/RCSPs nanofibers promoted collagen deposition and enhanced epidermal regeneration. The present study showed that composite nanofibers could quickly undergo hemostasis and effectively promote wound healing.

Electrospun Nanofibers in Biomedical ApplicationsWound Healing and TreatmentsSilk-based biomaterials and applications

Enhanced fluorescence of phthalimide compounds induced by the incorporation of electron-donating alicyclic amino groups

Ryoji Orita、Marius Franckevičius、Aurimas Vyšniauskas 等 9 位作者2018-01-01Physical Chemistry Chemical Physics

Due to their high thermal and environmental stability, polyimides (PIs) are one of the most attractive candidates for novel highly fluorescent polymers, though photophysical studies of PIs are challenging owing to their poor solubility in common solvents. To overcome these problems, we have synthesized and examined a…

Organic Light-Emitting Diodes ResearchPhotochemistry and Electron Transfer StudiesLuminescence and Fluorescent Materials

Effective solvent-free oxidation of cyclohexene to allylic products with oxygen by mesoporous etched halloysite nanotube supported Co 2+

Cuiping Li、Yue Zhao、Tianwen Zhu 等 6 位作者2018-01-01RSC Advances

Mesoporous eHA@Co <sup>2+</sup> nanorods with effective solvent-free oxidation of cyclohexene to allylic products with O <sub>2</sub> have been successfully fabricated by HCl selective etching of Al <sub>2</sub> O <sub>3</sub> from halloysite nanotubes and the impregnation method consecutively.

Mesoporous Materials and CatalysisClay minerals and soil interactionsLayered Double Hydroxides Synthesis and Applications